we remain hopeful that diplomacy will succeed in reversing Iran's ability to develop a nuclear weapon capability in accordance with the timeline that the P5+1 and Iran negotiating teams have set for themselves, which is March 24, 2015, for…

the more concerned I am that we feed into the narrative there that Iran is the victim when Iran has original sin here by having an illicit nuclear program.

We remain deeply skeptical that Iran is committed to making the concessions required to demonstrate to the world that its nuclear program is exclusively peaceful by March 24th.

As someone who is very concerned about our challenges already with Central America--its stability, its prosperity, and, as we saw last year in those who seek to flee their country because of instability and whatnot--this would be an…

However, it is not just any agreement. It has to be an agreement that significantly moves Iran in a different direction.

We need to know what their scientists were able to develop prior to 2003.

I think American security depends significantly on ending uranium enrichment capability.

Our international partners believe that the United States, if it is perceived as acting prematurely through additional nuclear-related sanctions legislation in the absence of a provocation or a violation by Iran, their willingness to…

The worst possible outcome the world, the United States, and Israel face is a nuclear Iran.

Even the President conceded in the 2014 State of the Union that sanctions laws passed by the U.S. Congress with bipartisan veto-proof majorities forced Iran back to the negotiating table.

I have long supported sanctions on Iran, and the benefit of hindsight has only reaffirmed my commitment to these sanctions.

I believe the only way Iran will voluntarily stop their march to nuclear weapons is if they know tougher and tougher sanctions will be enacted.